Meson Loops and the gDD Coupling
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| Format: | Artículo científico |
| Language: | en |
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Sociedade Brasileira de Física
2006
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| _version_ | 1866585288147468288 |
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| author | F.O. Durães |
| author_facet | F.O. Durães |
| contents | Meson Loops and the gDD Coupling F.O. Durães F. S. Navarra M. Nielsen M.R. Robilotta Física, Astronomía y Matemáticas QCD sum rule Chiral symmetry Heavy form factor Hadronic loop model Effective Lagrangian The D∗Dπ form factor is evaluated at low and moderate Q2 in a hadronic loop model, for off-shell D mesons.The results contain arbitrary constants, which are fixed so as to match a previous QCD sum rule calculationvalid at higher Q2. The form factor obtained in this way is used to extract the coupling constant, which is invery good agreement with the experimental value. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436621 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.4A Vol.36 |
| format | Artículo científico |
| id | redalyc_46436621 |
| language | en |
| publishDate | 2006 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Meson Loops and the gDD Coupling F.O. Durães Física, Astronomía y Matemáticas QCD sum rule Chiral symmetry Heavy form factor Hadronic loop model Effective Lagrangian Meson Loops and the gDD Coupling F.O. Durães F. S. Navarra M. Nielsen M.R. Robilotta Física, Astronomía y Matemáticas QCD sum rule Chiral symmetry Heavy form factor Hadronic loop model Effective Lagrangian The D∗Dπ form factor is evaluated at low and moderate Q2 in a hadronic loop model, for off-shell D mesons.The results contain arbitrary constants, which are fixed so as to match a previous QCD sum rule calculationvalid at higher Q2. The form factor obtained in this way is used to extract the coupling constant, which is invery good agreement with the experimental value. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436621 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.4A Vol.36 |
| title | Meson Loops and the gDD Coupling |
| topic | Física, Astronomía y Matemáticas QCD sum rule Chiral symmetry Heavy form factor Hadronic loop model Effective Lagrangian |
| url | https://www.redalyc.org/articulo.oa?id=46436621 |